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    Tecogen Inc.

    Subscribe to $TGEN
    $TGEN
    Industrial Machinery/Components
    Industrials

    IPO Year: 2025

    Exchange: AMEX

    Recent Analyst Ratings for Tecogen Inc.

    DatePrice TargetRatingAnalyst
    8/18/2025$15.00Buy
    Roth Capital
    See more ratings

    Tecogen Inc. Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

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    Roth Capital initiated coverage on Tecogen with a new price target

    Roth Capital initiated coverage of Tecogen with a rating of Buy and set a new price target of $15.00

    8/18/25 9:02:00 AM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

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    SEC Form 4 filed by Hirsch Susan B

    4 - TECOGEN INC. (0001537435) (Issuer)

    3/27/26 4:24:32 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 4 filed by Lewis Earl

    4 - TECOGEN INC. (0001537435) (Issuer)

    3/27/26 2:44:15 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 4 filed by Lewis Earl

    4 - TECOGEN INC. (0001537435) (Issuer)

    3/27/26 12:10:33 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 4 filed by Deschenes Roger P.

    4 - TECOGEN INC. (0001537435) (Issuer)

    3/23/26 2:34:33 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 4 filed by Whiting John Kimball Iv

    4 - TECOGEN INC. (0001537435) (Issuer)

    3/23/26 2:35:20 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 4 filed by Rangesh Abinand

    4 - TECOGEN INC. (0001537435) (Issuer)

    3/23/26 2:33:46 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 4 filed by Hatsopoulos John

    4 - TECOGEN INC. (0001537435) (Issuer)

    3/23/26 2:32:27 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 4 filed by Director Albertine John M

    4 - TECOGEN INC. (0001537435) (Issuer)

    7/28/25 12:40:33 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    VP of Business Development Lafaille Stephen was granted 11,976 shares, increasing direct ownership by 2,994% to 12,376 units (SEC Form 4)

    4 - TECOGEN INC. (0001537435) (Issuer)

    7/28/25 11:12:02 AM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    General Counsel & Secretary Whiting John Kimball Iv was granted 11,976 shares, increasing direct ownership by 1,883% to 12,612 units (SEC Form 4)

    4 - TECOGEN INC. (0001537435) (Issuer)

    7/28/25 11:09:04 AM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

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    VP of Business Development Lafaille Stephen bought $1,000 worth of shares (400 units at $2.50), exercised 60,000 in-the-money shares at a strike of $0.94 and sold $345,800 worth of shares (60,000 units at $5.76) (SEC Form 4)

    4 - TECOGEN INC. (0001537435) (Issuer)

    6/24/25 5:41:57 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. SEC Filings

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    SEC Form 10-K filed by Tecogen Inc.

    10-K - TECOGEN INC. (0001537435) (Filer)

    3/19/26 3:46:56 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 10-Q filed by Tecogen Inc.

    10-Q - TECOGEN INC. (0001537435) (Filer)

    11/13/25 9:01:34 AM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits

    8-K - TECOGEN INC. (0001537435) (Filer)

    11/12/25 5:05:16 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits

    8-K - TECOGEN INC. (0001537435) (Filer)

    9/17/25 9:38:51 AM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. filed SEC Form 8-K: Other Events

    8-K - TECOGEN INC. (0001537435) (Filer)

    9/4/25 4:52:59 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 10-Q filed by Tecogen Inc.

    10-Q - TECOGEN INC. (0001537435) (Filer)

    8/13/25 9:00:47 AM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits

    8-K - TECOGEN INC. (0001537435) (Filer)

    8/12/25 5:28:38 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. filed SEC Form 8-K: Leadership Update, Other Events, Financial Statements and Exhibits

    8-K - TECOGEN INC. (0001537435) (Filer)

    7/28/25 10:27:33 AM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    Tecogen Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits

    8-K - TECOGEN INC. (0001537435) (Filer)

    7/21/25 2:42:27 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials

    SEC Form 424B4 filed by Tecogen Inc.

    424B4 - TECOGEN INC. (0001537435) (Filer)

    7/21/25 12:03:04 PM ET
    $TGEN
    Industrial Machinery/Components
    Industrials